Home / 135,947.97-203,951.12-57,016.71

Finding the Fourth Proportional to 135,947.97, 203,951.12 and 57,016.71

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Solution

The fourth proportional to 135,947.97, 203,951.12 and 57,016.71 is: 85,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,947.97 : 203,951.12 = 57,016.71 : x
  2. Step 2: Convert to fraction form
    135,947.97/203,951.12 = 57,016.71/x
  3. Step 3: Cross multiply
    135,947.97x = 203,951.12 × 57,016.71
  4. Step 4: Simplify right side
    135,947.97x = 11,628,621,578.13
  5. Step 5: Solve for x
    x = 11,628,621,578.13/135,947.97
  6. Step 6: Final answer
    x = 85,537.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.